Home / 3,547.64-5,321.46-1,239.14

Finding the Fourth Proportional to 3,547.64, 5,321.46 and 1,239.14

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Solution

The fourth proportional to 3,547.64, 5,321.46 and 1,239.14 is: 1,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.64 : 5,321.46 = 1,239.14 : x
  2. Step 2: Convert to fraction form
    3,547.64/5,321.46 = 1,239.14/x
  3. Step 3: Cross multiply
    3,547.64x = 5,321.46 × 1,239.14
  4. Step 4: Simplify right side
    3,547.64x = 6,594,033.94
  5. Step 5: Solve for x
    x = 6,594,033.94/3,547.64
  6. Step 6: Final answer
    x = 1,858.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.